Codes › MERCEDES-BENZ › SA › 321
MERCEDES-BENZ • SA • 321 Category: InfotainmentFingerprint sensor
Biometric user identification.
SA code 321 enables biometric authentication via fingerprint sensor for driver profiles.
More about this option
Want the full factory build sheet for your car?
Get a complete VehicleDataSheet (options, equipment, specs) for your VIN.
Related SA codes
- SA 518 — UCI Interface
- SA 512 — COMAND APS DVD
- SA 461 — Miles Instrument Cluster
- SA 386 — Universal Telephony
- SA E1B — Truck navigation system
- SA E3M — MBUX multimedia system
Frequently Asked Questions
What does SA code 321 mean?
SA code 321 is a factory equipment code used by MERCEDES-BENZ to describe a specific vehicle configuration or component.
Where can I find SA code 321 on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does SA code 321 affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify SA code 321 for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.